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- Keywords yttrium;heavy rare earth metal;nodulizer;ductile iron; 钇;重稀土;球化剂;球铁;
- heavy rare earth metal 重稀土
- When rare earth metal ion is used, the tetrazine is opened with unusually way. 而稀土与四嗪作用时发现四嗪环的异常开环。
- This paper reports on the full scale tests of production of crystalline rare earth carbonates from low grade heavy rare earth ores. 报道从重稀土型低品位稀土矿中制取晶型碳酸稀土的工业实验情况。
- The oscillatory relaxation of the rare earth metal surfaces has been investigated with LEED spectra. 用LEED谱,研究了稀土金属表面的振动弛豫。
- Yet another rare earth metal, lanthanum, is a major ingredient for hybrid car batteries. 而另一种稀土金属镧,则是混合动力车电池的主要原料。
- It is discovered that REE, especially heavy rare earth elements(HREE) are of certain indicating significance for uranium transportation, enrichment and exploration. 发现稀土元素,尤其是重稀土元素对铀的区域富集及铀矿化作用有一定的指示意义。
- Kang S K,Gow K V. Mechanical properties of rare earth metal treated rail steel [J]. Metal Trans, 1979,10A(10) : 1800. 林勤;付廷灵.;高碳钢中稀土元素与碳相互作用的研究[J]
- Rare earth metals have purifing and fining and alloying effects. 稀土金属在铝合金中具有净化、细化和合金化效果。
- Main products are W crucible, W electrode, W tube, W target, applying to rare earth metal extracting quartz glass . X-rary tuck . We can and shape according to users request . 主要产品有钨坩埚、钨电极、钨筒、钨靶、适用于稀土冶炼、石英玻璃行业、X光管等,也可根据客户要求,制作不同规格,形状的钨制品。
- Shi Min,Cui Shi-Cong.Electrophilic aromatic nitration using perfluorinated rare earth metal salts in fluorous phase [J].Chem Commun,2002,9:994-995. 易文斌;蔡春.;全氟辛基磺酸稀土金属盐催化氟两相酯化反应[J]
- Kang S K, Gow K V. Mechanical properties of rare earth metal treated rail steel [J]. Metal. Trans., 1979, 10A(10): 1800. 林勤;付廷灵.;高碳钢中稀土元素与碳相互作用的研究[J]
- The ingredients of yttrium-based heavy rare earth magnesium nodulizing alloys was investigated, as well as their effects to resist nodulization fading and nodular graphite degeneration was test. 研究了钇基重稀土镁球化剂的组成,试验了钇基重稀土镁复合球化剂对抗球化衰退、抗石墨球畸变的作用。
- The sample solution has been separated with light rare earth element through the P507 chromatograph column,then sepertated with the heavy rare earth element through the N263 chromatograph column. 试液经P_(507)萃取色层柱,使钇与轻稀土元素分离,再经N_(263)萃取色层柱,使钇与重稀土元素分离。
- On purpose to improve the silk fiber performances, the sericin fixing agent containing rare earth metal ions was used to fix the sericin to weight the silk fibers. 以改善真丝纤维的性能为目标,采用含稀土金属离子的丝胶固着剂来固着丝胶,达到了增重真丝纤维的目的。
- Mineral composition, process characteristic and floatability of heavy rare earths in phosphorite ore in Guizhou are summarized in this paper. 概述了贵州某地含重稀土磷块岩矿的矿石物质组成、工艺特性及可浮性研究。
- Main products are W crucible, W electrode, W tube, w target, applying to rare earth metal extracting quartz glass. X-rary tuck . We can and shape according to users request . 产品有钼顶头、钼板坯、钼杆、钼圆片、钼电极、钼坩埚、还可根据用户要求生产各种形状、尺寸、性能的钼制品。
- The results showed that heavy rare earths in phosphorite ore were utilized by the purification method of reverse flotation. 研究结果表明,该类型含重稀土磷块岩矿石可采用反浮选方法富集,具有开发利用价值。
- The structure changes of silk fiber with different weight gain, by using sericin fixing agent containing rare earth metal ion, were studied in this paper. 用稀土金属离子通过形成配位结合来固着丝胶,制备了不同增重率的丝纤维,研究了增重丝纤维结构变化。
- Mansfeld F,Chen C,Breslin C B,et al.Sealing of anodized aluminum alloys with rare earth metal salt solutions[J].Journal of the Electrochemical Society,1998,145(8):2792. 李久青;卢翠英;田虹;等.;铈盐在铝合金阳极氧化后处理工序中的应用[J]